The People’s Liberation Army said it had kicked off drills around Taiwan on Monday that it called “legitimate and necessary” to safeguard national unity. Senior Colonel Shi Yi, a spokesman for the PLA’s Eastern Theatre Command, said the exercise was a warning to “independence forces” and against external interference. He said the drill – dubbed Justice Mission 2025 – was taking place across five areas near Taiwan, including the Taiwan Strait and areas to the north, southwest, southeast and east...